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    <title>Document</title>
    <script>
        ///去掉就数组0  存入新数组
        // var arr = [2, 0, 6, 1, 77, 0, 52, 0, 25, 7];
        // var newArr = [];
        // for (var i = 0; i < arr.length; i++) {
        //     if (arr[i] != 0) {
        //         newArr[newArr.length] = arr[i]
        //     }
        // }
        // console.log(newarr);

        //将数组翻转显示
        var arr = ['1', '2', '3', '4', '5']
        newArr = [];
        for (var i = arr.length - 1; i >= 0; i--) {
            newArr[newArr.length] = arr[i]
        }
        console.log(newArr);

    </script>
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